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A reference for what the literature reports. Not medical advice.

Disease

partial trisomy/tetrasomy of chromosome 18

MONDO:0016936Mondo

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Findings

No curated finding names partial trisomy/tetrasomy of chromosome 18 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.

Definition

A chromosomal disorder characterized by the presence of extra copy/copies of part of chromosome 18.

Definition from the Mondo Disease Ontology (MONDO:0016936), read 2026-09-29. CC BY 4.0.

Where it sits

A kind of: chromosome 18 disorder
syndrome caused by partial chromosomal duplication
Narrower terms (2): partial trisomy of the long arm of chromosome 18
partial trisomy/tetrasomy of the short arm of chromosome 18

Other names

2 names

Resolves to: partial trisomy/tetrasomy of chromosome 18

Also called: partial duplication/triplication of chromosome 18partial trisomy/tetrasomy of chromosome type 18